Startups in San Diego
951
Startups
100
Rows shown
164,659
All startups
4 September 2026
Data as of
100 rows
| # | Company | City | Stage | Last round | Date | Total raised |
|---|---|---|---|---|---|---|
| 1 | Inocras | San Diego | Series B | Series B | 2026-07-01 | $52.7M |
| 2 | Iambic | San Diego | Series B | Series B | 2025-11-10 | $303.0M |
| 3 | Avenzo Therapeutics | San Diego | Series B | Series B | 2025-09-04 | $841.9M |
| 4 | Amplifica | San Diego | Series B | Series B | 2026-08-12 | $37.8M |
| 5 | Khartis Therapeutics | San Diego | Series B | Series B | 2026-08-13 | $95.0M |
| 6 | Element Biosciences | San Diego | Series D+ | Series E | 2026-06-09 | $678.0M |
| 7 | Crystalys Therapeutics | San Diego | Series B | Series B | 2026-07-22 | $335.0M |
| 8 | Natilus | San Diego | Series A | Series A | 2026-02-10 | $28.8M |
| 9 | Trust & Will | San Diego | Series C | Series C | 2025-04-22 | $82.0M |
| 10 | Human Longevity | San Diego | Series B | Series B | 2024-08-21 | $369.8M |
| 11 | Seasats | San Diego | Series A | Series A | 2026-02-17 | $63.1M |
| 12 | Condor Software | San Diego | Series A | Series A | 2026-03-18 | $29.5M |
| 13 | Ray Therapeutics | San Diego | Series B | Series B | 2026-04-21 | $247.0M |
| 14 | Rybodyn | San Diego | Seed | Seed | 2026-07-23 | $15.3M |
| 15 | Monarch Quantum | San Diego | Series A | Series A | 2026-03-31 | $76.0M |
| 16 | Cooler Heads | San Diego | Series A | Series A | 2026-07-23 | $24.8M |
| 17 | Sidewinder Therapeutics | San Diego | Series B | Series B | 2026-04-08 | $137.0M |
| 18 | Mirador Therapeutics | San Diego | Series B | Series B | 2026-01-12 | $730.0M |
| 19 | Replay | San Diego | Series A | Series A | 2022-07-25 | $55.0M |
| 20 | ClearNote Health | San Diego | Series D+ | Series D | 2026-05-27 | $122.0M |
| 21 | Founders First Capital Partners | San Diego | Series A | Series A | 2021-11-09 | $120.0M |
| 22 | AristaMD | San Diego | Series C | Series C | 2023-11-14 | $53.4M |
| 23 | Cubist | San Diego | Seed | Seed | 2023-03-09 | $7.0M |
| 24 | Magier AI | San Diego | Pre-seed | Pre-seed | 2026-05-21 | $335K |
| 25 | Neomorph | San Diego | Series B | Series B | 2026-04-13 | $209.0M |
| 26 | Liquid Instruments | San Diego | Series C | Series C | 2026-04-28 | $109.4M |
| 27 | Gallant | San Diego | Series B | Series B | 2025-03-15 | $44.0M |
| 28 | Ascent Funding | San Diego | Series C | Series C | 2026-02-19 | $86.2M |
| 29 | Acurion | San Diego | Seed | Seed | 2026-04-02 | $6.4M |
| 30 | Capstan Therapeutics | San Diego | Series B | Series B | 2024-03-20 | $340.0M |
| 31 | BlossomHill Therapeutics | San Diego | Series B | Series B | 2025-12-10 | $257.0M |
| 32 | Ampa Health | San Diego | Seed | Seed | 2026-05-14 | $8.5M |
| 33 | Cordial | San Diego | Series C | Series C | 2022-07-26 | $73.5M |
| 34 | Seraphina Therapeutics | San Diego | Series A | Series A | 2020-05-18 | $5.5M |
| 35 | Improvado | San Diego | Series A | Series A | 2022-05-12 | |
| 36 | Platform Science | San Diego | Series D+ | Series D | 2024-04-09 | $322.7M |
| 37 | Aspen Neuroscience | San Diego | Series C | Series C | 2025-11-20 | $387.0M |
| 38 | Workiz | San Diego | Series C | Series C | 2021-11-17 | $60.2M |
| 39 | Firestorm | San Diego | Series A | Series A | 2025-07-16 | |
| 40 | Clearspeed | San Diego | Series D+ | Series D | 2025-06-25 | $87.0M |
| 41 | RayzeBio | San Diego | Series D+ | Series D | 2022-09-13 | $418.0M |
| 42 | EULER | San Diego | Seed | Seed | 2026-08-24 | $4.3M |
| 43 | Arthrosi Therapeutics | San Diego | Series D+ | Series E | 2025-06-23 | $277.4M |
| 44 | Gretel | San Diego | Series B | Series B | 2021-10-07 | |
| 45 | Turquoise Health | San Diego | Series B | Series B | 2024-01-23 | |
| 46 | BioSapien | San Diego | Seed | Seed | 2024-12-13 | $45.1M |
| 47 | VST Bio | San Diego | Series A | Series A | 2026-03-17 | $31.9M |
| 48 | Protego Biopharma | San Diego | Series B | Series B | 2025-12-01 | $181.0M |
| 49 | Cloudbeds | San Diego | Series D+ | Series D | 2021-11-03 | $248.4M |
| 50 | Aardvark Therapeutics | San Diego | Series C | Series C | 2024-05-09 | $129.0M |
| 51 | teachme.to | San Diego | Seed | Seed | 2025-09-17 | |
| 52 | Primmune Therapeutics | San Diego | Series B | Series B | 2026-01-26 | $71.6M |
| 53 | Netradyne | San Diego | Series D+ | Series D | 2025-01-16 | $352.5M |
| 54 | Looq AI | San Diego | Seed | Seed | 2024-02-27 | $4.6M |
| 55 | Augur Security | San Diego | Seed | Seed | 2025-04-24 | |
| 56 | Radicle Science | San Diego | Seed | Seed | 2026-02-09 | $11.5M |
| 57 | Encodia | San Diego | Series C | Series C | 2021-01-27 | $75.0M |
| 58 | 858 Therapeutics | San Diego | Series B | Series B | 2024-09-26 | |
| 59 | Biolinq | San Diego | Series C | Series C | 2025-03-19 | $276.3M |
| 60 | Lore | San Diego | Series A | Series A | 2024-05-09 | $80.0M |
| 61 | Cortechs.ai | San Diego | Series C | Series C | 2024-11-20 | $3.3M |
| 62 | Persephone Biosciences | San Diego | Seed | Seed | 2022-07-19 | $15.1M |
| 63 | SkySafe | San Diego | Series B | Series B | 2021-12-17 | $45.0M |
| 64 | GoFormz | San Diego | Series A | Series A | 2021-09-09 | $31.5M |
| 65 | Empirico | San Diego | Series B | Series B | 2023-03-20 | $74.7M |
| 66 | Concert Health | San Diego | Series B | Series B | 2022-04-27 | $58.5M |
| 67 | Sirius Therapeutics | San Diego | Series B | Series B | 2025-05-09 | $110.0M |
| 68 | Clickvoyant | San Diego | Series A | Series A | 2024-01-01 | |
| 69 | Tentarix Biotherapeutics | San Diego | Series B | Series B | 2023-09-06 | $93.0M |
| 70 | Aether AI | San Diego | Seed | Seed | 2026-06-17 | $20.0M |
| 71 | Bloom Science | San Diego | Series A | Series A | 2021-12-09 | $12.0M |
| 72 | Hauler Hero | San Diego | Series A | Series A | 2026-02-10 | $28.2M |
| 73 | Hydrostasis | San Diego | Series A | Series A | 2025-05-19 | $4.2M |
| 74 | Truvian Sciences | San Diego | Series D+ | Series D | 2024-07-17 | $208.1M |
| 75 | Ansun BioPharma | San Diego | Series B | Series B | 2019-10-15 | $213.1M |
| 76 | Epirium Bio | San Diego | Series A | Series A | 2019-12-18 | $86.4M |
| 77 | 1859 | San Diego | Series A | Series A | 2022-02-07 | $52.2M |
| 78 | Autobahn Therapeutics | San Diego | Series C | Series C | 2024-07-24 | $208.7M |
| 79 | Ride1UP | San Diego | Series A | Series A | 2022-03-23 | $6.5M |
| 80 | Cellics Therapeutics | San Diego | Series B | Series B | 2022-02-17 | $36.9M |
| 81 | MBrace Therapeutics | San Diego | Series B | Series B | 2023-11-14 | $110.0M |
| 82 | Actio Biosciences | San Diego | Series B | Series B | 2025-06-18 | $121.0M |
| 83 | cAMPfield Therapeutics | San Diego | Series A | Series A | 2026-05-20 | $180.0M |
| 84 | Nano PharmaSolutions | San Diego | Seed | Seed | 2023-02-17 | $331K |
| 85 | Cars & Bids | San Diego | Series A | Series A | 2023-01-27 | $37.0M |
| 86 | Onchilles Pharma | San Diego | Series A | Series A | 2025-11-07 | $32.1M |
| 87 | Blaber | San Diego | Pre-seed | Pre-seed | 2026-04-09 | $999K |
| 88 | Plexium | San Diego | Series C | Series C | 2025-08-25 | $225.1M |
| 89 | CRISPR QC | San Diego | Series A | Series A | 2024-01-04 | $12.5M |
| 90 | GoShare | San Diego | Seed | Seed | 2021-10-27 | $8.0M |
| 91 | Atomic Insights | San Diego | Seed | Seed | 2026-01-14 | $10.0M |
| 92 | Manifold | San Diego | Seed | Seed | 2026-03-18 | $8.0M |
| 93 | XILO | San Diego | Series A | Series A | 2025-01-22 | $19.2M |
| 94 | Ocean Aero | San Diego | Series D+ | Series D | 2022-09-30 | $15.2M |
| 95 | Sorriso Pharmaceuticals | San Diego | Series A | Series A | 2021-12-22 | $31.0M |
| 96 | Classy | San Diego | Series D+ | Series D | 2021-04-20 | $183.5M |
| 97 | Saphlux | San Diego | Series C | Series C | 2026-04-07 | $94.9M |
| 98 | Sol-ti | San Diego | Series B | Series B | 2026-06-22 | $33.5M |
| 99 | Xccelera AI | San Diego | Seed | Seed | 2026-04-07 | $1.1M |
| 100 | RayThera | San Diego | Series A | Series A | 2025-04-04 | $110.0M |
Table 1. Startups in San Diego, by total raised. Source: FundingWatcher. Data as of 4 September 2026. Base: 951.
Sectors
Funding stages
Other cities
Cite: FundingWatcher, 951 startups, 4 September 2026. https://fundingwatcher.com/startups/in/san-diego-california/